Sunday, July12, 2020
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Marine Weather and Tides
Merriam, KS

Version 3.4
NOTICE
12/16/2019 NOAA is having trouble with requests that include wind gusts. I am posting graphs without wind gusts until it gets fixed.
10/9/2019 Updated the Marine Zones.
9/4/2019 Fixed the weather maps due to NOAA moving them.
7/25/2019 New feature in the Airports section gives a link to 5 minute updates for data reports.

Sunrise 6:02AMSunset 8:46PM Sunday July 12, 2020 10:03 AM CDT (15:03 UTC) Moonrise 12:00AMMoonset 12:18PM Illumination 53% Phase: Third Quarter Moon; Moon at 22 days in cycle
NOTE: Some of the data on this page has not been verified and should be used with that in mind. It may and occasionally will, be wrong. The tide reports are by xtide and are NOT FOR NAVIGATION.
Marine Forecasts
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7 Day Forecast for Marine Location Near Merriam, KS
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location: 38.98, -94.7     debug


Area Discussion for - Kansas City/Pleasant Hill, MO
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FXUS63 KEAX 121103 AFDEAX

AREA FORECAST DISCUSSION National Weather Service Kansas City/Pleasant Hill MO 603 AM CDT Sun Jul 12 2020

Discussion. Issued at 346 AM CDT SUN JUL 12 2020

After a couple of stormy nights for some, the synoptic high pressure situated in the southwest US pushes a little further northeast. This will guide any storms further north keeping them away from EAX for a few days. This break from storms would normally allow heat to build in the area. However, the mesoscale complexes which affected central NE through south KS/MO and OK have disrupted the Gulf moisture flow. This coupled with northerly mid to upper level winds will keep temperatures and, most importantly, dew points from being uncomfortably high.

Monday, the Gulf moisture channel begins to reestablish itself in western KS. By Tuesday, that channel shifts east allowing heat and humidity to build with temperatures ranging from 90F-95F and dew points in the low to mid 70s. Do not fear, as a leeward low develops off the Rocky Mountains in western OK and sets a warm front up across EAX through the afternoon and overnight Wednesday. Those north of the front will see temperatures in the mid to upper 80s whereas those south of the front will crest 90F. While these temperature discrepancies may not seem fair for those soaking in the heat, the warm front does bring the opportunity for some much needed rain across the area overnight.

Unfortunately in conjunction with the surface low moving in from the west, the surface high pressure located in the SE US is pushed further east redirecting hot, muggy air directly into EAX as daytime highs on Thursday reach well into the 90s with dewpoint clearing 70F. These conditions are expected to persist through next weekend.

Aviation. (For the 12Z TAFS through 12Z Monday Morning) Issued at 600AM CDT SUN JUL 12 2020

VFR conditions are expected for the duration of the forecast period. Diurnal CU percolates during the afternoon. Light winds begin from the north in the morning and gradually shift to south during the evening and overnight.

EAX WATCHES/WARNINGS/ADVISORIES. KS . NONE. MO . NONE.

Discussion . Pesel Aviation . Pesel


Weather Reporting Stations
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Airport Reports
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AirportDistAgeWind ktVisibilitySky/WeatherTempDewPtHumidityPressure
Olathe, Johnson County Executive Airport, KS9 mi71 minNNW 710.00 miFair75°F62°F64%1014.5 hPa
Kansas City, Kansas City Downtown Airport, MO11 mi70 minNNW 810.00 miFair76°F60°F58%1014.3 hPa
Olathe, New Century Aircenter, KS14 mi71 minNW 710.00 miFair75°F61°F62%1014.8 hPa
Lee's Summit, Lee's Summit Municipal Airport, MO17 mi71 minno data10.00 miFair76°F61°F60%1014.5 hPa
Kansas City, Kansas City International Airport, MO24 mi71 minN 810.00 miFair74°F62°F67%1014.7 hPa

Link to 5 minute data for KOJC

Wind History from OJC (wind in knots)
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Last 24hrW5W7W5W7NW5W4NW6N6NW6NW6NW6N6N7W3NW4N8N8N4N5CalmW3W5N7N7
1 day agoSE5E5S6S8S63S6S6S4S4CalmSE3SE4S3S4S5SW3W4N5CalmCalmS7SW7SW10
2 days agoSW9
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W6NW9NW7NW5NW6N4N6NW4NE9CalmCalmN3CalmCalmCalmCalmS5

Tide / Current Tables for
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Tide / Current Tables for
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Weather Map
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wmap_A
GEOS Local Image of    EDIT
NOTE: East coast views moved to GEOS-16. They are experimental and not well supported by NOAA so they may not be correct so be warned. This change required redoing a large amount of the GOES code. If the image you are expecting is not showing, please let me know. You may need to use the EDIT function to update your location.
Link to Loop

Other links: Northern Pacific     Contential US     Full GOES-East
Wind Forecast for Kansas City/Pleasant Hill, MO (11,2,3,4)
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Ground Weather Radar Station Kansas City/Pleasant Hill, MO
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weather_mapweather_map weather_map

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Disclaimer:
The information on this web site has not been checked for accuracy. It is for entertainment purposes only and should be independently verified before using for any other reason. There are five sources. 1) Documents and manuals from a variety of sources. These have not been checked for accuracy and in many cases have not even been read by anyone associated with L-36.com. I have no idea of they are useful or accurate, I leave that to the reader. 2) Articles others have written and submitted. If you have questions on these, please contact the author. 3) Articles that represent my personal opinions. These are intended to promote thought and for entertainment. These are not intended to be fact, they are my opinions. 4) Small programs that generate result presented on a web page. Like any computer program, these may and in some cases do have errors. Almost all of these also make simplifying assumptions so they are not totally accurate even if there are no errors. Please verify all results. 5) Weather information is from numerous of sources and is presented automatically. It is not checked for accuracy either by anyone at L-36.com or by the source which is typically the US Government. See the NOAA web site for their disclaimer. Finally, tide and current data on this site is from 2007 and 2008 data bases, which may contain even older data. Changes in harbors due to building or dredging change tides and currents and for that reason many of the locations presented are no longer supported by newer data bases. For example, there is very little tidal current data in newer data bases so current data is likely wrong to some extent. This data is NOT FOR NAVIGATION. See the XTide disclaimer for details. In addition, tide and current are influenced by storms, river flow, and other factors beyond the ability of any predictive program.